Features
Features of the MC68HC(9)08PT48 include:
• High-performance M68HC08 architecture
• Fully upward-compatible object code with M6805, M146805, and
M68HC05 Families
• On-chip FLASH/ROM of 48 Kbytes
• On-chip FLASH of 2 Kbytes separate from program ROM/FLASH
• ROM data security1 option (no security option for
MC68HC908PT48)
• Configuration register (CONFIG)
• 2.5 Kbytes of on-chip MCU random-access memory (RAM)
• 56 general-purpose input/output (I/O) pins
• Programmable phase locked loop (PLL) for bus clock generation
• Serial peripheral interface module (SPI)
• Serial communications interface module (SCI)
• Timebase module (TBM) with software selection of crystal clock
source
• Two external interrupt request pins
• ALERT generator module (ALR)
• 16-bit, 4-channel timer interface module (TIM)
• Computer operating properly (COP) reset
• 8-bit, 4-channel analog-to-digital converter (ADC)
• System protection features:
– Illegal opcode detect reset
– Illegal address detect reset
• Packaged in an 80-pin quad flat pack (LQFP)
• Low-power design (fully static with stop and wait modes)
• Master reset pin and power-on reset (POR)
Features of the CPU08 include:
• Enhanced HC05 programming model
• Extensive loop control functions
• 16 addressing modes (eight more than the HC05)
• 16-bit index register and stack pointer
• Fast 8 x 8 multiply instruction
• Fast 16 ¸ 8 divide instruction
• Binary coded decimal (BCD) instructions
• Optimization for controller applications
• High-level language (C language) support